Subtract 21/60 from 90/36
1st number: 2 18/36, 2nd number: 21/60
90/36 - 21/60 is 43/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Subtract the two like fractions:
450/180 - 63/180 = 450 - 63/180 = 387/180 - After reducing the fraction, the answer is 43/20
- In mixed form: 23/20
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